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<td align="left"><font size="6" face="Times, serif" color="6699CC"><b>RabbitCore RCM3900</b><br><font size="3">Users Manual</font></font></td>
</tr>
</table>
<hr align="left">
<blockquote>
<h2>
<a name="664672"> </a><font color="#006600" face="Arial, Helvetica, sans-serif">Table of Contents</font>
</h2>
<h3>
<a name="703381"> </a><font face="Arial, Helvetica, sans-serif"><a href="1intro.htm#953563">1. Introduction
</a></font>
</h3>
<dl>
<dd> <font size="2"><a name="703383"> </a><font face="Times, serif"><a href="1intro.htm#949718">1.1 RCM3900 Features </a></font></font> <dd> <font size="2"><a name="703385"> </a><font face="Times, serif"><a href="1intro.htm#960808">1.2 Comparing the RCM3365/RCM3375 and the RCM3900/RCM3910 </a></font></font> <dd> <font size="2"><a name="703387"> </a><font face="Times, serif"><a href="1intro.htm#949720">1.3 Advantages of the RCM3900 </a></font></font> <dd> <font size="2"><a name="703389"> </a><font face="Times, serif"><a href="1intro.htm#959191">1.4 Development and Evaluation Tools </a></font></font> <dl>
<dd> <a name="703391"> </a><font face="Times, serif"><a href="1intro.htm#958583">1.4.1 Development Kit </a></font>
<dd> <a name="703393"> </a><font face="Times, serif"><a href="1intro.htm#958608">1.4.2 Software </a></font>
<dd> <a name="703395"> </a><font face="Times, serif"><a href="1intro.htm#960129">1.4.3 Connectivity Interface Kits </a></font>
<dd> <a name="703397"> </a><font face="Times, serif"><a href="1intro.htm#952018">1.4.4 Online Documentation </a></font>
</dl>
</dl>
<h3>
<a name="703399"> </a><font face="Arial, Helvetica, sans-serif"><a href="2start.htm#1027412">2. Getting Started
</a></font>
</h3>
<dl>
<dd> <font size="2"><a name="703401"> </a><font face="Times, serif"><a href="2start.htm#1034931">2.1 Install Dynamic C </a></font></font> <dd> <font size="2"><a name="703403"> </a><font face="Times, serif"><a href="2start.htm#1066875">2.2 Hardware Connections </a></font></font> <dl>
<dd> <a name="703405"> </a><font face="Times, serif"><a href="2start.htm#1066876">2.2.1 Step 1 — Attach Module to Prototyping Board </a></font>
<dd> <a name="703407"> </a><font face="Times, serif"><a href="2start.htm#1066894">2.2.2 Step 2 — Connect Programming Cable </a></font>
<dd> <a name="703409"> </a><font face="Times, serif"><a href="2start.htm#1066910">2.2.3 Connect Power </a></font>
</dl>
<dd> <font size="2"><a name="703411"> </a><font face="Times, serif"><a href="2start.htm#1066936">2.3 Starting Dynamic C </a></font></font> <dd> <font size="2"><a name="703413"> </a><font face="Times, serif"><a href="2start.htm#1072837">2.4 Run a Sample Program </a></font></font> <dl>
<dd> <a name="703415"> </a><font face="Times, serif"><a href="2start.htm#1069777">2.4.1 Troubleshooting </a></font>
</dl>
<dd> <font size="2"><a name="703417"> </a><font face="Times, serif"><a href="2start.htm#1066948">2.5 Where Do I Go From Here? </a></font></font> <dl>
<dd> <a name="703419"> </a><font face="Times, serif"><a href="2start.htm#1067001">2.5.1 Technical Support </a></font>
</dl>
</dl>
<h3>
<a name="703421"> </a><font face="Arial, Helvetica, sans-serif"><a href="3samples.htm#1027412">3. Running Sample Programs
</a></font>
</h3>
<dl>
<dd> <font size="2"><a name="703423"> </a><font face="Times, serif"><a href="3samples.htm#1061287">3.1 Introduction </a></font></font> <dd> <font size="2"><a name="703425"> </a><font face="Times, serif"><a href="3samples.htm#1055277">3.2 Sample Programs </a></font></font> <dl>
<dd> <a name="703427"> </a><font face="Times, serif"><a href="3samples.htm#1068095">3.2.1 Use of NAND Flash (RCM3900 only) </a></font>
<dd> <a name="703429"> </a><font face="Times, serif"><a href="3samples.htm#1068457">3.2.2 Use of miniSD™ Cards </a></font>
<dd> <a name="703431"> </a><font face="Times, serif"><a href="3samples.htm#1064500">3.2.3 Serial Communication </a></font>
<dd> <a name="703433"> </a><font face="Times, serif"><a href="3samples.htm#1068600">3.2.4 Real-Time Clock </a></font>
<dd> <a name="703435"> </a><font face="Times, serif"><a href="3samples.htm#1068767">3.2.5 Other Sample Programs </a></font>
</dl>
</dl>
<h3>
<a name="703437"> </a><font face="Arial, Helvetica, sans-serif"><a href="4hard.htm#946031">4. Hardware Reference
</a></font>
</h3>
<dl>
<dd> <font size="2"><a name="703439"> </a><font face="Times, serif"><a href="4hard.htm#961738">4.1 RCM3900 Inputs and Outputs </a></font></font> <dl>
<dd> <a name="703441"> </a><font face="Times, serif"><a href="4hard.htm#1011170">4.1.1 Memory I/O Interface </a></font>
<dd> <a name="703443"> </a><font face="Times, serif"><a href="4hard.htm#1014039">4.1.2 LEDs </a></font>
<dd> <a name="703445"> </a><font face="Times, serif"><a href="4hard.htm#990733">4.1.3 Other Inputs and Outputs </a></font>
</dl>
<dd> <font size="2"><a name="703447"> </a><font face="Times, serif"><a href="4hard.htm#948644">4.2 Serial Communication </a></font></font> <dl>
<dd> <a name="703449"> </a><font face="Times, serif"><a href="4hard.htm#948648">4.2.1 Serial Ports </a></font>
<dd> <a name="703451"> </a><font face="Times, serif"><a href="4hard.htm#1005324">4.2.2 Ethernet Port </a></font>
<dd> <a name="703453"> </a><font face="Times, serif"><a href="4hard.htm#1005356">4.2.3 Serial Programming Port </a></font>
</dl>
<dd> <font size="2"><a name="703455"> </a><font face="Times, serif"><a href="4hard.htm#1005576">4.3 Serial Programming Cable </a></font></font> <dl>
<dd> <a name="703457"> </a><font face="Times, serif"><a href="4hard.htm#1011099">4.3.1 Changing Between Program Mode and Run Mode </a></font>
<dd> <a name="703459"> </a><font face="Times, serif"><a href="4hard.htm#1011133">4.3.2 Standalone Operation of the RCM3900 </a></font>
</dl>
<dd> <font size="2"><a name="703461"> </a><font face="Times, serif"><a href="4hard.htm#1007078">4.4 Memory </a></font></font> <dl>
<dd> <a name="703463"> </a><font face="Times, serif"><a href="4hard.htm#994530">4.4.1 SRAM </a></font>
<dd> <a name="703465"> </a><font face="Times, serif"><a href="4hard.htm#994542">4.4.2 Flash EPROM </a></font>
<dd> <a name="703467"> </a><font face="Times, serif"><a href="4hard.htm#1014011">4.4.3 NAND Flash (RCM3900 only) </a></font>
<dd> <a name="703469"> </a><font face="Times, serif"><a href="4hard.htm#1013954">4.4.4 miniSD™ Cards </a></font>
</dl>
<dd> <font size="2"><a name="703471"> </a><font face="Times, serif"><a href="4hard.htm#1010571">4.5 Other Hardware </a></font></font> <dl>
<dd> <a name="703473"> </a><font face="Times, serif"><a href="4hard.htm#1010573">4.5.1 Clock Doubler </a></font>
<dd> <a name="703475"> </a><font face="Times, serif"><a href="4hard.htm#1011198">4.5.2 Spectrum Spreader </a></font>
</dl>
</dl>
<h3>
<a name="703477"> </a><font face="Arial, Helvetica, sans-serif"><a href="5soft.htm#961793">5. Software Reference
</a></font>
</h3>
<dl>
<dd> <font size="2"><a name="703479"> </a><font face="Times, serif"><a href="5soft.htm#961795">5.1 More About Dynamic C </a></font></font> <dl>
<dd> <a name="703481"> </a><font face="Times, serif"><a href="5soft.htm#977729">5.1.1 Developing Programs Remotely with Dynamic C </a></font>
</dl>
<dd> <font size="2"><a name="703483"> </a><font face="Times, serif"><a href="5soft.htm#976841">5.2 Dynamic C Functions </a></font></font> <dl>
<dd> <a name="703485"> </a><font face="Times, serif"><a href="5soft.htm#976834">5.2.1 Digital I/O </a></font>
<dd> <a name="703487"> </a><font face="Times, serif"><a href="5soft.htm#981551">5.2.2 SRAM Use </a></font>
<dd> <a name="703489"> </a><font face="Times, serif"><a href="5soft.htm#976793">5.2.3 Serial Communication Drivers </a></font>
<dd> <a name="703491"> </a><font face="Times, serif"><a href="5soft.htm#985241">5.2.4 TCP/IP Drivers </a></font>
<dd> <a name="703493"> </a><font face="Times, serif"><a href="5soft.htm#978286">5.2.5 NAND Flash Drivers </a></font>
<dd> <a name="703495"> </a><font face="Times, serif"><a href="5soft.htm#984254">5.2.6 miniSD™ Card Drivers </a></font>
<dd> <a name="703497"> </a><font face="Times, serif"><a href="5soft.htm#968224">5.2.7 Prototyping Board Function Calls </a></font>
<dl>
<dd> <a name="703499"> </a><font face="Times, serif"><a href="5soft.htm#974930">5.2.7.1 Board Initialization </a></font>
<dd> <a name="703501"> </a><font face="Times, serif"><a href="5soft.htm#974953">5.2.7.2 Digital I/O </a></font>
<dd> <a name="703503"> </a><font face="Times, serif"><a href="5soft.htm#977029">5.2.7.3 Switches, LEDs, and Relay </a></font>
<dd> <a name="703505"> </a><font face="Times, serif"><a href="5soft.htm#977232">5.2.7.4 Serial Communication </a></font>
</dl>
</dl>
<dd> <font size="2"><a name="703507"> </a><font face="Times, serif"><a href="5soft.htm#963176">5.3 Upgrading Dynamic C </a></font></font> <dl>
<dd> <a name="703509"> </a><font face="Times, serif"><a href="5soft.htm#985150">5.3.1 Extras </a></font>
</dl>
</dl>
<h3>
<a name="703511"> </a><font face="Arial, Helvetica, sans-serif"><a href="6tcpip.htm#1027947">6. Using the TCP/IP Features
</a></font>
</h3>
<dl>
<dd> <font size="2"><a name="703513"> </a><font face="Times, serif"><a href="6tcpip.htm#1030855">6.1 TCP/IP Connections </a></font></font> <dd> <font size="2"><a name="703515"> </a><font face="Times, serif"><a href="6tcpip.htm#1027954">6.2 TCP/IP Primer on IP Addresses </a></font></font> <dl>
<dd> <a name="703517"> </a><font face="Times, serif"><a href="6tcpip.htm#1027824">6.2.1 IP Addresses Explained </a></font>
<dd> <a name="703519"> </a><font face="Times, serif"><a href="6tcpip.htm#1027842">6.2.2 How IP Addresses are Used </a></font>
<dd> <a name="703521"> </a><font face="Times, serif"><a href="6tcpip.htm#1027845">6.2.3 Dynamically Assigned Internet Addresses </a></font>
</dl>
<dd> <font size="2"><a name="703523"> </a><font face="Times, serif"><a href="6tcpip.htm#1038688">6.3 Placing Your Device on the Network </a></font></font> <dd> <font size="2"><a name="703525"> </a><font face="Times, serif"><a href="6tcpip.htm#1041764">6.4 Running TCP/IP Sample Programs </a></font></font> <dl>
<dd> <a name="703527"> </a><font face="Times, serif"><a href="6tcpip.htm#1027848">6.4.1 How to Set IP Addresses in the Sample Programs </a></font>
<dd> <a name="703529"> </a><font face="Times, serif"><a href="6tcpip.htm#1050651">6.4.2 How to Set Up your Computer for Direct Connect </a></font>
</dl>
<dd> <font size="2"><a name="703531"> </a><font face="Times, serif"><a href="6tcpip.htm#1027902">6.5 Run the PINGME.C Sample Program </a></font></font> <dd> <font size="2"><a name="703533"> </a><font face="Times, serif"><a href="6tcpip.htm#1047597">6.6 Running Additional Sample Programs With Direct Connect </a></font></font> <dl>
<dd> <a name="703535"> </a><font face="Times, serif"><a href="6tcpip.htm#1047714">6.6.1 RabbitWeb Sample Programs </a></font>
</dl>
<dd> <font size="2"><a name="703537"> </a><font face="Times, serif"><a href="6tcpip.htm#1027671">6.7 Where Do I Go From Here? </a></font></font></dl>
<h3>
<a name="703539"> </a><font face="Arial, Helvetica, sans-serif"><a href="aspecs.htm#954519">Appendix A. RCM3900 Specifications
</a></font>
</h3>
<dl>
<dd> <font size="2"><a name="703541"> </a><font face="Times, serif"><a href="aspecs.htm#954520">A.1 Electrical and Mechanical Characteristics </a></font></font> <dl>
<dd> <a name="703543"> </a><font face="Times, serif"><a href="aspecs.htm#964873">A.1.1 Headers </a></font>
</dl>
<dd> <font size="2"><a name="703545"> </a><font face="Times, serif"><a href="aspecs.htm#973903">A.2 Bus Loading </a></font></font> <dd> <font size="2"><a name="703547"> </a><font face="Times, serif"><a href="aspecs.htm#977087">A.3 Rabbit 3000 DC Characteristics </a></font></font> <dd> <font size="2"><a name="703549"> </a><font face="Times, serif"><a href="aspecs.htm#976930">A.4 I/O Buffer Sourcing and Sinking Limit </a></font></font> <dd> <font size="2"><a name="703551"> </a><font face="Times, serif"><a href="aspecs.htm#965316">A.5 Conformal Coating </a></font></font> <dd> <font size="2"><a name="703553"> </a><font face="Times, serif"><a href="aspecs.htm#975350">A.6 Jumper Configurations </a></font></font></dl>
<h3>
<a name="703555"> </a><font face="Arial, Helvetica, sans-serif"><a href="bproto.htm#994468">Appendix B. Prototyping Board
</a></font>
</h3>
<dl>
<dd> <font size="2"><a name="703557"> </a><font face="Times, serif"><a href="bproto.htm#999374">B.1 Introduction </a></font></font> <dl>
<dd> <a name="703559"> </a><font face="Times, serif"><a href="bproto.htm#999392">B.1.1 Prototyping Board Features </a></font>
</dl>
<dd> <font size="2"><a name="703561"> </a><font face="Times, serif"><a href="bproto.htm#994489">B.2 Mechanical Dimensions and Layout </a></font></font> <dd> <font size="2"><a name="703563"> </a><font face="Times, serif"><a href="bproto.htm#994542">B.3 Power Supply </a></font></font> <dd> <font size="2"><a name="703565"> </a><font face="Times, serif"><a href="bproto.htm#994557">B.4 Using the Prototyping Board </a></font></font> <dl>
<dd> <a name="703567"> </a><font face="Times, serif"><a href="bproto.htm#994622">B.4.1 Adding Other Components </a></font>
<dd> <a name="703569"> </a><font face="Times, serif"><a href="bproto.htm#1002448">B.4.2 Digital I/O </a></font>
<dl>
<dd> <a name="703571"> </a><font face="Times, serif"><a href="bproto.htm#1002502">B.4.2.1 Digital Inputs </a></font>
</dl>
<dd> <a name="703573"> </a><font face="Times, serif"><a href="bproto.htm#1002510">B.4.3 CMOS Digital Outputs </a></font>
<dd> <a name="703575"> </a><font face="Times, serif"><a href="bproto.htm#1002518">B.4.4 Sinking Digital Outputs </a></font>
<dd> <a name="703577"> </a><font face="Times, serif"><a href="bproto.htm#1002561">B.4.5 Relay Outputs </a></font>
<dd> <a name="703579"> </a><font face="Times, serif"><a href="bproto.htm#995701">B.4.6 Serial Communication </a></font>
<dl>
<dd> <a name="703581"> </a><font face="Times, serif"><a href="bproto.htm#1012725">B.4.6.1 RS-232 </a></font>
<dd> <a name="703583"> </a><font face="Times, serif"><a href="bproto.htm#995757">B.4.6.2 RS-485 </a></font>
</dl>
<dd> <a name="703585"> </a><font face="Times, serif"><a href="bproto.htm#1002698">B.4.7 RabbitNet Port </a></font>
<dd> <a name="703587"> </a><font face="Times, serif"><a href="bproto.htm#995318">B.4.8 Other Prototyping Board Modules </a></font>
<dd> <a name="703589"> </a><font face="Times, serif"><a href="bproto.htm#1002936">B.4.9 Quadrature Decoder </a></font>
<dd> <a name="703591"> </a><font face="Times, serif"><a href="bproto.htm#1002883">B.4.10 Stepper-Motor Control </a></font>
</dl>
<dd> <font size="2"><a name="703593"> </a><font face="Times, serif"><a href="bproto.htm#996187">B.5 Prototyping Board Jumper Configurations </a></font></font> <dd> <font size="2"><a name="703595"> </a><font face="Times, serif"><a href="bproto.htm#1006199">B.6 Use of Rabbit 3000 Parallel Ports </a></font></font></dl>
<h3>
<a name="703597"> </a><font face="Arial, Helvetica, sans-serif"><a href="clcd.htm#962925">Appendix C. LCD/Keypad Module
</a></font>
</h3>
<dl>
<dd> <font size="2"><a name="703599"> </a><font face="Times, serif"><a href="clcd.htm#962928">C.1 Specifications </a></font></font> <dd> <font size="2"><a name="703601"> </a><font face="Times, serif"><a href="clcd.htm#968469">C.2 Contrast Adjustments for All Boards </a></font></font> <dd> <font size="2"><a name="703603"> </a><font face="Times, serif"><a href="clcd.htm#962991">C.3 Keypad Labeling </a></font></font> <dd> <font size="2"><a name="703605"> </a><font face="Times, serif"><a href="clcd.htm#963662">C.4 Header Pinouts </a></font></font> <dl>
<dd> <a name="703607"> </a><font face="Times, serif"><a href="clcd.htm#963696">C.4.1 I/O Address Assignments </a></font>
</dl>
<dd> <font size="2"><a name="703609"> </a><font face="Times, serif"><a href="clcd.htm#968719">C.5 Mounting LCD/Keypad Module on the Prototyping Board </a></font></font> <dd> <font size="2"><a name="703611"> </a><font face="Times, serif"><a href="clcd.htm#968412">C.6 Bezel-Mount Installation </a></font></font> <dl>
<dd> <a name="703613"> </a><font face="Times, serif"><a href="clcd.htm#968433">C.6.1 Connect the LCD/Keypad Module to Your Prototyping Board </a></font>
</dl>
<dd> <font size="2"><a name="703615"> </a><font face="Times, serif"><a href="clcd.htm#968660">C.7 Sample Programs </a></font></font> <dd> <font size="2"><a name="703617"> </a><font face="Times, serif"><a href="clcd.htm#963807">C.8 LCD/Keypad Module Function Calls </a></font></font> <dl>
<dd> <a name="703619"> </a><font face="Times, serif"><a href="clcd.htm#968603">C.8.1 LCD/Keypad Module Initialization </a></font>
<dd> <a name="703621"> </a><font face="Times, serif"><a href="clcd.htm#975582">C.8.2 LEDs </a></font>
<dd> <a name="703623"> </a><font face="Times, serif"><a href="clcd.htm#975600">C.8.3 LCD Display </a></font>
<dd> <a name="703625"> </a><font face="Times, serif"><a href="clcd.htm#976392">C.8.4 Keypad </a></font>
</dl>
</dl>
<h3>
<a name="703627"> </a><font face="Arial, Helvetica, sans-serif"><a href="dpower.htm#946031">Appendix D. Power Supply
</a></font>
</h3>
<dl>
<dd> <font size="2"><a name="703629"> </a><font face="Times, serif"><a href="dpower.htm#978512">D.1 Power Supplies </a></font></font> <dl>
<dd> <a name="703631"> </a><font face="Times, serif"><a href="dpower.htm#978517">D.1.1 Battery Backup </a></font>
<dd> <a name="703633"> </a><font face="Times, serif"><a href="dpower.htm#978358">D.1.2 Battery-Backup Circuit </a></font>
<dd> <a name="703635"> </a><font face="Times, serif"><a href="dpower.htm#972964">D.1.3 Reset Generator </a></font>
</dl>
</dl>
<h3>
<a name="703637"> </a><font face="Arial, Helvetica, sans-serif"><a href="rc3900in.htm#862989">Index
</a></font>
</h3>
<h3>
<a name="703639"> </a><font face="Arial, Helvetica, sans-serif"><a href="schemat.htm#958670">Schematics
</a></font>
</h3>
</blockquote>
<hr>
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<tr>
<td align="right"><font face="Arial, Helvetica, sans-serif" size="2"><b>Rabbit—A Digi International Brand</b></font><br>
<font face="Arial, Helvetica, sans-serif" size="1"><a href="http://www.rabbit.com/" target="_top">www.rabbit.com</a><br></font></td>
</tr>
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